Process for producing a copper phthalocyanine compound
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United States of America Patent
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Oct 6, 1992
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N/A
app pub date -
Oct 31, 1990
filing date -
Nov 21, 1989
priority date (Note) -
Expired
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Abstract
A process for producing a copper phthalocyanine compound, which comprises heating and reacting phthalic acid or a phthalic acid derivative, urea or a urea derivative and cuprous chloride in the presence of a catalyst in an inert organic solvent, wherein the cuprous chloride is used in an amount of from 95 to 99% of the stoichiometric amount relative to the phthalic acid or the phthalic acid derivative.
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